diff --git a/src/Plugin/WithoutNamespace/Plugin_Info.php b/src/Plugin/WithoutNamespace/Plugin_Info.php
index 8f1b544baef4a8a0a043b7633194b2f8a0a2cd13..8c2967638d03971383efc3d1a0d3e3a56396de01 100644
--- a/src/Plugin/WithoutNamespace/Plugin_Info.php
+++ b/src/Plugin/WithoutNamespace/Plugin_Info.php
@@ -3,10 +3,10 @@
 if ( ! interface_exists( 'WPDesk_Translatable' ) ) {
 	require_once __DIR__ . '/Translatable.php';
 }
-if ( ! class_exists( 'WPDesk_Buildable' ) ) {
+if ( ! interface_exists( 'WPDesk_Buildable' ) ) {
 	require_once __DIR__ . '/Buildable.php';
 }
-if ( ! class_exists( 'WPDesk_Has_Plugin_Info' ) ) {
+if ( ! interface_exists( 'WPDesk_Has_Plugin_Info' ) ) {
 	require_once __DIR__ . '/Has_Plugin_Info.php';
 }